EfficientHash

Git Source

Title: Efficient Keccak256 Library

Provides gas-efficient keccak256 hashing using inline assembly

Functions

efficientKeccak256

Efficiently compute keccak256 hash for position key (address, address, uint256, int24, int24)

function efficientKeccak256(address univ3pool, address owner, uint256 tokenType, int24 tickLower, int24 tickUpper)
    internal
    pure
    returns (bytes32 hash);

Parameters

Name	Type	Description
univ3pool	address	The Uniswap V3 pool address (20 bytes)
owner	address	The owner address (20 bytes)
tokenType	uint256	The token type (32 bytes)
tickLower	int24	The lower tick (3 bytes when packed)
tickUpper	int24	The upper tick (3 bytes when packed)

Returns

Name	Type	Description
hash	bytes32	The keccak256 hash of the packed data

efficientKeccak256

Efficiently compute keccak256 hash for chunk key (int24, int24, uint256)

function efficientKeccak256(int24 strike, int24 width, uint256 tokenType) internal pure returns (bytes32 hash);

Parameters

Name	Type	Description
strike	int24	The strike tick (3 bytes when packed)
width	int24	The width (3 bytes when packed)
tokenType	uint256	The token type (32 bytes)

Returns

Name	Type	Description
hash	bytes32	The keccak256 hash of the packed data

efficientKeccak256

Efficiently compute keccak256 hash for a uint256 array

function efficientKeccak256(uint256[] memory data) internal pure returns (bytes32 hash);

Parameters

Name	Type	Description
data	uint256[]	The uint256 array to hash

Returns

Name	Type	Description
hash	bytes32	The keccak256 hash of the packed data

efficientKeccak256

Efficiently compute keccak256 hash for bytes memory

function efficientKeccak256(bytes memory data) internal pure returns (bytes32 hash);

Parameters

Name	Type	Description
data	bytes	The bytes to hash

Returns

Name	Type	Description
hash	bytes32	The keccak256 hash of the data